Home / 566,898.15-782,319.39-312,249.36

Finding the Fourth Proportional to 566,898.15, 782,319.39 and 312,249.36

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Solution

The fourth proportional to 566,898.15, 782,319.39 and 312,249.36 is: 430,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,898.15 : 782,319.39 = 312,249.36 : x
  2. Step 2: Convert to fraction form
    566,898.15/782,319.39 = 312,249.36/x
  3. Step 3: Cross multiply
    566,898.15x = 782,319.39 × 312,249.36
  4. Step 4: Simplify right side
    566,898.15x = 244,278,728,843.09
  5. Step 5: Solve for x
    x = 244,278,728,843.09/566,898.15
  6. Step 6: Final answer
    x = 430,904.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.